Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock Including Additional Paid in Capital [Member]	Treasury Stock, Common [Member]	Key Executive Deferred Compensation [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Jun. 30, 2021	26,863	(346)
Balance at Jun. 30, 2021	$ 132,526	$ (2,450)	$ 2,450	$ 49	$ (1,405)	$ 131,170
Net Income	0	0	0	0	9,856	9,856
Other comprehensive income	$ 0	$ 0	0	11	0	11
Stock compensation awards (in shares)	30	0
Stock compensation awards	$ 225	$ 0	0	0	0	225
Restricted stock units issued, net of shares withheld for tax withholdings (in shares)	80	0
Restricted stock units issued, net of shares withheld for tax withholdings	$ (250)	$ 0	0	0	0	(250)
Shares issued for deferred compensation (in shares)	412	0
Shares issued for deferred compensation	$ 3,089	$ 0	0	0	0	3,089
Activity of treasury shares, net (in shares)	0	401
Activity of treasury shares, net	$ 0	$ 3,007	0	0	0	3,007
Deferred stock compensation	0	0	3,007	0	0	3,007
Stock compensation expense	$ 2,466	$ 0	0	0	0	2,466
Stock options exercised, net (in shares)	5	0
Stock options exercised, net	$ 26	$ 0	0	0	0	26
Dividends — $0.20 per share	$ 0	$ 0	0	0	(4,048)	(4,048)
Balance (in shares) at Mar. 31, 2022	27,390	(747)
Balance at Mar. 31, 2022	$ 138,082	$ (5,457)	5,457	60	4,403	142,545
Balance (in shares) at Jun. 30, 2022	27,484	(822)
Balance at Jun. 30, 2022	$ 139,500	$ (5,927)	5,927	45	8,224	147,769
Net Income	0	0	0	0	17,347	17,347
Other comprehensive income	$ 0	$ 0	0	192	0	192
Stock compensation awards (in shares)	37	0
Stock compensation awards	$ 270	$ 0	0	0	0	270
Restricted stock units issued, net of shares withheld for tax withholdings (in shares)	301	0
Restricted stock units issued, net of shares withheld for tax withholdings	$ (844)	$ 0	0	0	0	(844)
Shares issued for deferred compensation (in shares)	168	0
Shares issued for deferred compensation	$ 1,530	$ 0	0	0	0	1,530
Activity of treasury shares, net (in shares)	0	(69)
Activity of treasury shares, net	$ 0	$ (809)	0	0	0	(809)
Deferred stock compensation	$ 0	0	809	0	0	809
Stock compensation expense		$ 0	0	0	0	2,308
Stock options exercised, net (in shares)	349	0
Stock options exercised, net	$ 3,139	$ 0	0	0	0	3,139
Dividends — $0.20 per share	$ 0	$ 0	0	0	(4,065)	(4,065)
ESPP Stock Awards (in shares)	10	0
ESPP Stock Awards	$ 97	$ 0	0	0	0	97
Balance (in shares) at Mar. 31, 2023	28,349	(891)
Balance at Mar. 31, 2023	$ 146,000	$ (6,736)	$ 6,736	$ 237	$ 21,506	$ 167,743